Prevent Plugged Ducts• Lecithin has been recommended to combat recurrent plugged ducts• Lecithin is a very common food additive, and is found naturally in many other foods• The reason why lecithin may help resolve and prevent plugged ducts is not clear. Per Dr. Jack Newman, “It may do this by decreasing the viscosity (stickiness) of the milk, by increasing the percentage of polyunsaturated fatty acids in the milk.”